Encyclopedia of Educational Research / Mitzel, Harold E. Best, John Hardin. Rabinowitz, William. American Educational Research Association. L901 .E57 1982 L901 .E5 1982 370/.7/8073 19 370.780973 37078073 Includes bibliographies and index. New York : Free Press, c1982. c1982. 1982 Text 4 v. (xxiii, 2126 p.) ; eng